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Species · Utah · BBS 2026 Release · 1966–2025

Ring-necked Pheasant Population Trend in Utah

All statesGame birds

Ring-necked Pheasant in Utah has fallen sharply: down 75% on the route-weighted index since 1970.

-75%Since 1970TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
48Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Ring-necked Pheasant Trends in UtahNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Ring-necked Pheasant has fallen sharply in Utah: down 75% on the route-weighted index since 1970.

Ring-necked Pheasant Population Forecast in Utah

If the recent trend holds, Ring-necked Pheasant in Utah is projected to fall about 100% by 2030 — from 0.98 in 2025 to a central estimate of 0.00 (95% range 0.00–2.6). A 5-year backtest shows a typical error of ±69.2%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.00Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–2.695% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±69.2%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Ring-necked Pheasant in Utah is projected to fall about 100% by 2030 — from 0.98 in 2025 to a central estimate of 0.00 (95% range 0.00–2.6). A 5-year backtest shows a typical error of ±69.2%, with 100% of held-out values landing inside the 95% band.19682030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.200.002.8
20270.120.002.7
20280.040.002.6
20290.000.002.6
20300.000.002.6

Ring-necked Pheasant Survey Routes in Utah

Routes recording Ring-necked Pheasant in Utah.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Bear River2420251992
Promontory1020251969
Jensen820251992
Altonah420251978
Castleton419851973
Vernon420251992
Hanna419971997
Wellington 3320252012
Timpie Spg320001978
Aneth320071987
Lynn320251982
Callao320011994
Beck 2319951995
Goshen220251968
Dragerton220251986
Castle Dale220251993
Vernal220172003
Wellington220022000
Delta220251987
Oak City120231973
Willow Creek119951995
Woodruff120192009
Beaver120001968
Hanksville120161993
Iron Springs119941988

Ring-necked Pheasant Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansasmainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatexasvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.